Author: | Hayes, M.P., and M.R. Jennings |
Article Title: | Decline of ranid frog species in western North America: are bullfrogs (Rana catesbeiana) responsible? |
Keywords: | Rana catesbeiana, bullfrog, amphibian, fish, Salmo, Salvelinus, Lepomis, American bullfrog, Lithobates catesbeianus, impacts |